package com.sky.mapper;


import com.sky.entity.User;
import org.apache.ibatis.annotations.Mapper;
import org.apache.ibatis.annotations.Select;

import java.time.LocalDate;
import java.time.LocalDateTime;

@Mapper
public interface UserMapper {


    @Select("select * from user where openid = #{openid}")
    User getByOpenid(String openid);


    void insert(User user);

    @Select("select * from user where id = #{id}")
    User getById(Long userId);


    /*
    *
    * 获取对应日期用户总量
    *
    * */
    @Select("select count(id) from user where create_time <= #{dateTime}")
    Double getUserCount(LocalDateTime dateTime);
}
